Home / 213,013,077.09-319,494,814.03-57,559,498.71

Finding the Fourth Proportional to 213,013,077.09, 319,494,814.03 and 57,559,498.71

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Solution

The fourth proportional to 213,013,077.09, 319,494,814.03 and 57,559,498.71 is: 86,332,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,013,077.09 : 319,494,814.03 = 57,559,498.71 : x
  2. Step 2: Convert to fraction form
    213,013,077.09/319,494,814.03 = 57,559,498.71/x
  3. Step 3: Cross multiply
    213,013,077.09x = 319,494,814.03 × 57,559,498.71
  4. Step 4: Simplify right side
    213,013,077.09x = 18,389,961,336,011,472
  5. Step 5: Solve for x
    x = 18,389,961,336,011,472/213,013,077.09
  6. Step 6: Final answer
    x = 86,332,546.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.